It's like a mild pepper spray when this algae gets up in the air.

当这种气味飘进空气中，就像是淡淡的胡椒粉末。

[Zoey] Hi my name is Zoey I'm eight years old. I live in Falls Church, Virginia. My question is how, if gravity pulls everything down, do planes and rockets get up in the air?

我的问题是， 如果重力将一切都拉下来， 飞机和火箭如何升空？